/Engine/Plugins/Runtime/MassEntity/Source/MassEntity/Public/MassSettings.h
A common parrent for Mass's per-module settings. Classes extending this class will automatically get registered with- and show under Mass settings in Project Settings.
[UCLASS](Programming/UnrealArchitecture/Reference/Classes#classdeclaration)(Abstract, Config=Mass, defaultconfig, CollapseCategories) class UMassModuleSettings : public [UObject](API\Runtime\CoreUObject\UObject\UObject)